[other] BIOS boot drive selection + GRUB

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http://ubuntuforums.org – I have multiple HDDs and one contains Ubuntu, other OSs and GRUB v2(?). Anyway, I usually select through the BIOS boot menu which HDD I want to boot to and I noticed a problem when booting to my drive with GRUB on it. The issue is that after I boot through GRUB to any OS on that drive, and I reboot to a different drive (in particular, one with Windows 7), the system reboots by itself after about 10 or 15 seconds. To prevent this from happening, I have to disable the drives (through the BIOS) I do not want impacted by booting through the GRUB drive before booting to it. I would like to fi (Hardware)